- Schmuck, P.; Kasser, T.; Ryan, R.M.
- Intrinsic and Extrinsic Goals: Their Structure and Relationship to Well-Being in German and U.S. College Students.
- Social Indicators Research, 2000, Vol. 50, 225 - 241
- 0303 8300
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.